Personalized Keep Calm Pineapple Youth T-Shirt. Youth T-Shirt - White with watercolor graphic pineapple and funny quote says KEEP CALM AND BE A PINEAPPLE STAND TALL, WEAR A CROWN AND BE SWEET. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.